Table 2.
Demographic characteristics of 63 children and adolescents with chronic pain syndromes treated with ketamine in an outpatient tertiary pediatric care referral centera
| Characteristic | N (%) |
|---|---|
| Sex | |
| Female | 45 (71 %) |
| Male | 18 (29 %) |
| Age, median (IQR) | 15 (12–17) |
| Race/Ethnicity | |
| Caucasian | 46 (63 %) |
| African American | 14 (22 %) |
| Hispanics | 2 (3 %) |
| Asian/Pacific Islander | 1 (2) |
| Pain diagnosis | |
| CRPS | 23 (37 %) |
| Other Chronic Pain syndromes | 40 (63 %) |
| Chronic headache | 8 (13 %) |
| Fibromyalgia | 3 (5 %) |
| Pain location | |
| Lower extremity | 22 (35 %) |
| Generalized | 10 (16 %) |
| Back | 10 (16 %) |
| Head | 8 (13 %) |
| Upper extremity | 5 (8 %) |
| Abdomen | 4 (6 %) |
| Chest | 3 (5 %) |
| Testicles | 1 (2 %) |
aCharacteristics are those at the time of first ketamine infusion. N indicates number, IQR interquartile range, and CRPS indicates complex regional pain syndrome and include CRPS type 1 (N = 21) and type 2 (N = 2)